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Finding the Fourth Proportional to 229,162.14, 316,222.69 and 127,185.97

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Solution

The fourth proportional to 229,162.14, 316,222.69 and 127,185.97 is: 175,504.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,162.14 : 316,222.69 = 127,185.97 : x
  2. Step 2: Convert to fraction form
    229,162.14/316,222.69 = 127,185.97/x
  3. Step 3: Cross multiply
    229,162.14x = 316,222.69 × 127,185.97
  4. Step 4: Simplify right side
    229,162.14x = 40,219,089,563.66
  5. Step 5: Solve for x
    x = 40,219,089,563.66/229,162.14
  6. Step 6: Final answer
    x = 175,504.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.